JPS54936A - Protection circuit for memory unit - Google Patents

Protection circuit for memory unit

Info

Publication number
JPS54936A
JPS54936A JP6715677A JP6715677A JPS54936A JP S54936 A JPS54936 A JP S54936A JP 6715677 A JP6715677 A JP 6715677A JP 6715677 A JP6715677 A JP 6715677A JP S54936 A JPS54936 A JP S54936A
Authority
JP
Japan
Prior art keywords
memory unit
protection circuit
protec
disconnection
write
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP6715677A
Other languages
Japanese (ja)
Other versions
JPS6027053B2 (en
Inventor
Ko Doi
Nobuyoshi Matsuda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP52067156A priority Critical patent/JPS6027053B2/en
Publication of JPS54936A publication Critical patent/JPS54936A/en
Publication of JPS6027053B2 publication Critical patent/JPS6027053B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Techniques For Improving Reliability Of Storages (AREA)

Abstract

PURPOSE: To protec the memory content with a simple circuit, by detecting the application or disconnection of power supply and by controlling the write-in or readout current path of a memory unit.
COPYRIGHT: (C)1979,JPO&Japio
JP52067156A 1977-06-06 1977-06-06 Storage device protection circuit Expired JPS6027053B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52067156A JPS6027053B2 (en) 1977-06-06 1977-06-06 Storage device protection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52067156A JPS6027053B2 (en) 1977-06-06 1977-06-06 Storage device protection circuit

Publications (2)

Publication Number Publication Date
JPS54936A true JPS54936A (en) 1979-01-06
JPS6027053B2 JPS6027053B2 (en) 1985-06-27

Family

ID=13336746

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52067156A Expired JPS6027053B2 (en) 1977-06-06 1977-06-06 Storage device protection circuit

Country Status (1)

Country Link
JP (1) JPS6027053B2 (en)

Also Published As

Publication number Publication date
JPS6027053B2 (en) 1985-06-27

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